Related Clues:
- Online version of Macbeth is a gas
- Foundry detritus
- Gas supplying energy to most of Kent region
- Gas that's a man's name + E
- Foundry by-product
- Smeltery junk
- Bronze Age jewelry material
- Flammable compound with two carbons
- Glasslike stuff in concrete
- Cinderlike lava
- Stony waste matter (in a heap?)
- Waste produced in the smelting or refining of ore
- Odorless hydrocarbon
- Colourless gas used as fuel, C2H6
- Byproduct used in building